Home / 25,289.64-34,883.46-15,353.64

Finding the Fourth Proportional to 25,289.64, 34,883.46 and 15,353.64

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Solution

The fourth proportional to 25,289.64, 34,883.46 and 15,353.64 is: 21,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.64 : 34,883.46 = 15,353.64 : x
  2. Step 2: Convert to fraction form
    25,289.64/34,883.46 = 15,353.64/x
  3. Step 3: Cross multiply
    25,289.64x = 34,883.46 × 15,353.64
  4. Step 4: Simplify right side
    25,289.64x = 535,588,086.79
  5. Step 5: Solve for x
    x = 535,588,086.79/25,289.64
  6. Step 6: Final answer
    x = 21,178.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.